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Summary of Contents for Extech Instruments RF153
- Page 1 USER MANUAL RF153 Brix Meter User Manual Translations available www.extech.com...
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Page 2: Table Of Contents
Table Contents 1. Introduction 2. Safety 3. Specifications 4. Product Descriptions 5. Operation 6. Maintenance 7. Customer Support RF153-en-GB_V1.1 11/18... -
Page 3: Introduction
Introduction Thank you for selecting the Extech RF153 Brix Meter. We ship this meter fully tested. With proper use, it will provide years of reliable service. 1-1 Features • Wide measurement range (Brix 0~53%) • Sugar content (Brix%) display • Refractive Index (RI) measurement •... -
Page 4: Safety
• Control the concentration of industrial fluids (cutting coolants, hydraulic fluids, and antifreeze) to prevent corrosion. Safety Read the following safety information carefully before attempting to operate or service the meter. Only qualified personnel should perform repairs. RF153-en-GB_V1.1 11/18... - Page 5 / accumulators at collection points in your community or wherever batteries / accumulators are sold! Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle. RF153-en-GB_V1.1 11/18...
- Page 6 • Do not use the meter near an open flame or in flammable environments. • Do not use this meter where the ambient temperature exceeds the recommended range of 10°C (50ºF) to 40°C (104ºF) or in areas where the Relative Humidity exceeds 80%. RF153-en-GB_V1.1 11/18...
- Page 7 Close the prism cover when storing. • If the meter is to be stored for a long period, remove the battery and close the prism cover. • Never use organic solvents for cleaning. RF153-en-GB_V1.1 11/18...
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Page 8: Specifications
3. Specifications Model Extech RF153 Sensor Element Photodiode Array Detector Brix % Measurements Temperature ( Refractive index (RI) Ranges Brix % 0.0～53.0% Water (10~40 C [50~104 4~60 Automatic Temperature ～ Compensation) Water 1.3301~1.4374 4~60 ～ 4.0～60.0 C (39.0～140.0 Temperature Accuracy Brix ±0.2%... - Page 9 Auto Power Off 2 minutes (approximately) 2 x ‘AAA’ batteries Power supply 113 x 60 x 38 mm Dimensions (4.4 x 2.4 x 1.5”) Weight 120g (4.23 oz.) without battery Wrist strap, pouch, 2xAAA Accessories batteries, and user manual RF153-en-GB_V1.1 11/18...
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Page 10: Product Descriptions
Memory mode only) 4. Power ON/OFF (long press) / RCL (short press to select Memory mode) 5. Unit button (short press for RI/BRIX; long press for temperature units) 6. LCD display 7. Battery cover 8. Battery compartment secure screw RF153-en-GB_V1.1 11/18... -
Page 11: Rf153-En-Gb_V1.1
4-2 LCD Description 1. Temperature reading 2. Measurement mode 3. Zero function 4. Brix% or RI reading 5. Temperature units 6. Battery status 7. Refractive index mode 8. Brix% mode RF153-en-GB_V1.1 11/18... -
Page 12: Operation
All display symbols will appear for 2 seconds. After power-on, the meter will show the ambient temperature along with dashes in the main reading area. Long press turn the meter off. Long press → RF153-en-GB_V1.1 11/18... - Page 13 Use a non-metallic spoon or dropper to place the sample on the prism (0.3 ml, approximately), to begin measuring. As shown below. Replacing a sample Incline 45 degrees to allow the measured sample to spill out along the RF153-en-GB_V1.1 11/18...
- Page 14 After placing the measurement liquid on the prism, close the prism cover to start measuring. The measurement result will display on the LCD and save to memory automatically (see Section 5-2). If ERR is shown, an error has occurred, refer to Section 5-3-2. RF153-en-GB_V1.1 11/18...
- Page 15 Placed distilled or tap water on the prism, long press M to access the zero function. Long press M → → → • Perform a zero calibration before each use. • Temperature of distilled/tap water should equal ambient temperature. RF153-en-GB_V1.1 11/18...
- Page 16 “dat #” flashes before showing the stored readings. → → Short press Use the button to scroll through the stored readings. Measurement Mode When you select the Measurement mode, dashes will display on the LCD screen. → Short press RF153-en-GB_V1.1 11/18...
- Page 17 If a memory location is empty, the LCD will display dashes for Temperature and Brix. Clear Stored Readings To clear all stored readings: In Memory mode, long press M until “CLr DATA” flashes once and then returns to “dat 1”. Long press M → → → RF153-en-GB_V1.1 11/18...
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Page 18: Rf153-En-Gb_V1.1
→ → • When the Brix or RI reading is out of range. (Brix >53% or <0%) Note: When the Brix of the sample reads low, perform a zero calibration (see Section 5-1). RF153-en-GB_V1.1 11/18... - Page 19 Error 3: Temperature Over Range When the sample temperature (measured on the prism surface) is out of range, the accuracy will not be optimum (< 4 C [39.2 or > 60 C [140 F]). RF153-en-GB_V1.1 11/18...
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Page 20: Maintenance
Clean with soap and water using a damp sponge or soft cloth. Maintenance Notes Do not use organic solvents to clean the meter. Remove the batteries when storing the meter. Close the prism cover when not in use. RF153-en-GB_V1.1 11/18... - Page 21 2. Open the rear battery cover as shown in the diagrams below 3. Replace the batteries observing correct polarity 4. Close the battery cover 5. Fasten the compartment before use Step One Step Two CAUTION: Close the cover tightly in order to prevent liquid ingress RF153-en-GB_V1.1 11/18...
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Page 22: Customer Support
U.S. (866) 477-3687 International +1 (603) 324-7800 Calibration, Repair, and Returns email: repair@extech.com Technical Support: https://support.flir.com Copyright © 2018 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form www.extech.com RF153-en-GB_V1.1 11/18...
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